83777777777738 has 16 divisors (see below), whose sum is σ = 137363455647936. Its totient is φ = 38005100703840.

The previous prime is 83777777777719. The next prime is 83777777777741.

83777777777738 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×83777777777738³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3785357531 + ... + 3785379662.

It is an arithmetic number, because the mean of its divisors is an integer number (8585215977996).

Almost surely, 2^{83777777777738} is an apocalyptic number.

83777777777738 is a deficient number, since it is larger than the sum of its proper divisors (53585677870198).

83777777777738 is a wasteful number, since it uses less digits than its factorization.

83777777777738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7570737709.

The product of its digits is 162705743424, while the sum is 92.

The spelling of 83777777777738 in words is "eighty-three trillion, seven hundred seventy-seven billion, seven hundred seventy-seven million, seven hundred seventy-seven thousand, seven hundred thirty-eight".